{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["discoverer", "capabilities", "supported platform", "vulnerable system version", "vulnerability", "common vulnerabilities and exposures", "vulnerable system", "vulnerable system owner"]}], "input": "Microsoft ’s updates for the Meltdown microprocessor mega-flaw inadvertently left users running Windows 7 64 - bit systems open to a “ way worse ” flaw , a researcher has claimed ."}
{"discover vulnerability": [{"discoverer": "a researcher", "capabilities": "NAN", "supported platform": "NAN", "vulnerable system version": "NAN", "vulnerability": ["the Meltdown microprocessor mega-flaw", "a “ way worse ” flaw"], "common vulnerabilities and exposures": "NAN", "vulnerable system": "Windows 7 64 - bit systems", "vulnerable system owner": "NAN"}]}